The study of desertification potential based on land use changes and meteorological data in Damghan plain

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Mirdailamy M.; RAHIMI M.; Nikoo S.H.; Damavandi A.A.

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Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2020 | Volume:27 | Issue:1 (78) Page(s): 58-74

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Title

The study of desertification potential based on land use changes and meteorological data in Damghan plain

Author(s)

Mirdailamy M. | RAHIMI M. | Nikoo S.H. | Damavandi A.A. | Issue Writer Certificate

Keywords

ClimateQ2

DamghanQ1

Remote sensingQ1

IMDPAQ2

NDVIQ1

Abstract

In the last four decades, land use changes in Iran as a human factor of desertification has occurred with increasing speed and has led to the intensification of land degradation in various land uses. In this study, due to the wide range of these changes, Remote sensing technology was used to assess land use and vegetation changes in Damghan plain. The area of the study region was classified into three classes including bare land, lands with vegetation cover (agriculture and rangeland), and urban areas and changes of the land uses were compared over four periods. The results indicated an increase trend of 184% and 1. 07% in urban and bare land use, respectively, and reduction in agriculture and rangeland use was 15. 7%. Using the Normalized Difference Vegetation Index (NDVI), the results of classification of vegetation in the region were such that class 1 (index less than zero), increased from 93. 2 to 99. 5 percent, class two ( (0 to 0. 2), decreased from 5. 6 to 0. 38 percent, class three (index between 0. 2 to 0. 5), from 1. 1 to 0. 01 percent, and class four (index between 0. 5 to 1) from 0. 03% to 0, which indicates the correctness of the results of the survey of land use changes, and both confirm the increase in bare lands and the reduction of vegetation cover. Also by using the Iranian model's climatic indices, the results of the 17-year calculations during the period of 1997 to 2013 indicated that desertification had a decreasing trend in three classes: weak, severe, and very severe, and an increasing trend in the middle class. Finally, by combining the findings of the Iranian model and the results of Remote sensing method, a weak trend in desertification based on Climate criteria in the region was confirmed.

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APA: Copy

Mirdailamy, M., RAHIMI, M., Nikoo, S.H., & Damavandi, A.A.. (2020). The study of desertification potential based on land use changes and meteorological data in Damghan plain. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 27(1 (78) ), 58-74. SID. https://sid.ir/paper/362614/en

Vancouver: Copy

Mirdailamy M., RAHIMI M., Nikoo S.H., Damavandi A.A.. The study of desertification potential based on land use changes and meteorological data in Damghan plain. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2020;27(1 (78) ):58-74. Available from: https://sid.ir/paper/362614/en

IEEE: Copy

M. Mirdailamy, M. RAHIMI, S.H. Nikoo, and A.A. Damavandi, “The study of desertification potential based on land use changes and meteorological data in Damghan plain,” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 27, no. 1 (78) , pp. 58–74, 2020, [Online]. Available: https://sid.ir/paper/362614/en

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